Explore Altadena Hikes by Distance, Elevation, Difficulty, and More

Check out some of the best hiking, walking and backpacking routes in Altadena, California. The Valley Forge Trail is the most popular trail. There are trails of various difficulty levels including medium and extra difficult. The trail with the highest elevation climb is the San Gabriel Peak Trail and the trail with the least amount of climbing is the Echo Mountain Trail. The longest trail is the Idlehour Trail at 25 km. For a shorter adventure you can try the Echo Mountain Trail at 3 km. Get off line access to Healthcare, Town, History, and Peak locations and much more with a Hiiker subscription.